Make change and version bump to r_aml_300900400 for mainline module file: apex/manifest_codec.json

Change-Id: I1661eb4f2352723d525f9a20e83db982397e5188
diff --git a/apex/manifest.json b/apex/manifest.json
index fd80784..059eb4c 100644
--- a/apex/manifest.json
+++ b/apex/manifest.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.media",
-  "version": 300900300
+  "version": 300900400
 }
diff --git a/apex/manifest_codec.json b/apex/manifest_codec.json
index 94e30cd..0a9d945 100644
--- a/apex/manifest_codec.json
+++ b/apex/manifest_codec.json
@@ -1,4 +1,4 @@
 {
   "name": "com.android.media.swcodec",
-  "version": 300900300
+  "version": 300900400
 }